# tmutil > Utility for managing Time Machine backups. Most verbs require root privileges. > More information: . - Set an HFS+ drive as the backup destination: `sudo tmutil setdestination {{path/to/disk_mount_point}}` - Set an APF share or SMB share as the backup destination: `sudo tmutil setdestination "{{protocol://user[:password]@host/share}}"` - Append the given destination to the list of destinations: `sudo tmutil setdestination -a {{destination}}` - Enable automatic backups: `sudo tmutil enable` - Disable automatic backups: `sudo tmutil disable` - Start a backup, if one is not running already, and release control of the shell: `sudo tmutil startbackup` - Start a backup and block until the backup is finished: `sudo tmutil startbackup -b` - Stop a backup: `sudo tmutil stopbackup`